Grouping And Grazing Virtual Manipulative
URL: http://illuminations.nctm.org/ActivityDetail.aspx?ID=218
Objective: “Help the alien spaceship move cows into corrals by counting, adding, and
subtracting. This activity helps children learn grouping, tally marks, and place value. As they
master counting, they can move on to adding and subtracting two-digit numbers.”
Chapter 11 Developing Whole-Number Place Value Concepts
Grouping And Grazing Virtual Manipulative
URL: http://illuminations.nctm.org/ActivityDetail.aspx?ID=218
Objective: “Help the alien spaceship move cows into corrals by counting, adding, and
subtracting. This activity helps children learn grouping, tally marks, and place value. As they
master counting, they can move on to adding and subtracting two-digit numbers.”